Multi-strand wire rope

Abstract

The invention discloses a multi-strand wire rope. The multi-strand wire rope comprises 12 outer strands and 1 metal core. The outer strands are uniformly arranged on the periphery of the metal core which comprises a metal core outer layer formed by 4 main strands and 4 filling strands and a metal core inner strand. Each of the outer strands is composed of 17 to 21 steel wires. The main strands and the filling strands are arrayed on the outer periphery of the metal core inner strand, and the main strands and the filling strands are arranged at intervals. The multi-strand wire rope has very good flexibility and suitable for being used in places with complex pulley systems. The wire rope of the structure is good in twisting and rotation resistance stability, and when the wire rope is applied to the places with complex pulley systems, stress contact planes between the wire rope and pulley grooves are larger than those between a prior wire rope and the pulley grooves, elliptical stress planes are formed by the wire rope in the pulley grooves, and a plurality of contact points exist between the wire rope and the grooves, so that contact pressure between the circumference of the wire rope and a push portion can be reduced furthest, and abrasions to key portions of the wire rope are reduced.

Description

technical field [0001] The invention relates to a steel wire rope, in particular to a multi-strand steel wire rope. Background technique [0002] The multi-strand steel wire ropes used in hoisting equipment such as cranes, truck cranes, workshop cranes, etc. have higher requirements for the softness and breaking force of the steel wire ropes due to the reduction of equipment drums and more complex pulley systems. Steel wire ropes with structures such as *19 and 18*7 can no longer meet the requirements better. Contents of the invention [0003] In view of the above-mentioned existing technical problems, the object of the present invention is to propose a multi-strand steel wire rope. [0004] The technical solution of the present invention is realized like this: a kind of multi-strand steel wire rope comprises 12 outer layer strands and 1 metal core, and the outer layer strands are evenly arranged on the periphery of the metal core; The metal core outer layer and the meta...

AI Technical Summary

Problems solved by technology

[0002] The multi-strand steel wire ropes used in hoisting equipment such as cranes, truck cranes, workshop cranes, etc. have higher requirements for the softness and breaking force of the steel wire ropes due to the reduction of equipment drums and more complex pulley systems. Steel wire ropes with structures such as *19, 18*7 can no longer meet the requirements better

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